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- 共用题干 “Lucky” Lord Lucan一Alive or DeadOn 8th November 1974 Lord Lucan,a British aristocrat,vanished....
- 共用题干 第三篇Renewable Energy SourcesToday petroleum(石油)provides around 40% of the worlds energy needs ,...
- Mary has made up her mind not to go to the meeting.
- 共用题干 Eastern Quakes Can Trigger Big ShakesIn the first week of November 2011,people in central Okla...
- 共用题干 Animals “Sixth Sense”A tsunami(海啸)was triggered(引发)by an earthquake in the Indian Ocean in Dec...
- 共用题干 The Forbidden AppleNew York used to be the city that never sleeps. These days its the city tha...
- 共用题干 Travel Across AfricaFor six hours we shot through the barren(荒芜的)landscape of the Karoo desert...
- 共用题干 A Doctor in the HouseBrushing your teeth twice a day should keep the dentist away. But if a gr...
- Baby Talk Babies normally start to talk when they are 13 to 15 months old. Ryan Jones is only ...
- 共用题干 Ecosystem1. The word “ecosystem” is short for ecological(生态的)system. An ecosystem is where liv...